Essential Fuel Tank Component. If you’re losing gasoline but can’t determine the culprit, you might be dealing with a leaky Fuel Tank Filler Neck. The unit could be beyond repair, so replace it with this well-designed, brand-new unit. It’s constructed from reliable materials that increase the system’s resistance to wear and tear. Once mounted, it provides a seamless pathway from your external cap to the tank and helps prevent fuel loss.Sturdy Metal Build; Sealed Design. TRQ is famous for top-rated components, and this Fuel Tank Filler Neck is one of their best products. It’s a super-sturdy item that’s far less prone to cracks and chips than standard solutions. It boasts a sealed design that minimizes the risk of leaks.Moderate Installation. You may not need professional assistance to mount the Fuel Tank Filler Neck onto your ride, but some steps require special attention. In particular, removing the original part requires a good amount of force while making sure the surrounding components don’t get damaged. If you want to avoid the hassle, book a qualified mechanic.Limited Lifetime Warranty. TRQ stands behind this Fuel Tank Filler Neck with a lifetime warranty against material and workmanship flaws. It might be nullified if you modify the product, so please check this on the manufacturer’s web page.Application. The Fuel Tank Filler Neck is designed to fit the 1999-2004 Mustang models.